The liquid crystal display (LCD) has become ubiquitous. Itis in use everywhere, from personal computers of all sizesto point-of-sale terminals as well as instruments, autosand medical apparatus. The LCD utilizes a cold cathodefluorescent lamp (CCFL) as a light source to back light thedisplay. The CCFL requires a high voltage AC supply foroperation. Typically, over 1000 volts RMS is required toinitiate lamp operation, with sustaining voltages rangingfrom 200VAC to 800VAC.
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